Croatian numbers often put nouns in specific case and number. Counted nouns are sometimes not in plural when the number is greater than one. "Both" is also a number, here marked with "1+1". The forms 1-12 are:

#

cardinals (2)

ordin. (2nd)

collective

"n men"

part (1/2)

digit

1

jedän adj.

prvi

—

—

—

jedinica

2

dva m/n; dvijë f

drugi

dvoje

dvojica

pola, polovica

dvojka

1+1

oba m/n; objë f

—

oboje

obojica

—

—

3

tri

treći

troje

trojica

trećina

trojka

4

četiri

čevrti

četvero

četvorica

četvrtina

četvorka

5

pet

peti

petero

petorica

petina

petica

6

šest

šesti

šestero

šestorica

šestina

šestica

7

sedäm

sedmi

sedmero

sedmorica

sedmina

sedmica

8

osäm

osmi

osmero

osmorica

osmina

osmica

9

devet

devet

devetero

devetorica

devetina

devetka

10

deset

deseti

desetero

desetorica

desetina

desetka

11

jedanaest

jedanaesti

jedanaestero

jedanaestorica

jedanaestina

jedanaestica

12

dvanaest

dvanaesti

dvanaestero

dvanaestorica

dvanaestina

dvanaestica

Cardinal numberjedän "one" behaves like an adjective.

Words for numbers 2-4 are sometimes declined but in
everyday use most people keep their form in all cases. But if certain specially careful people want to use different forms for cases, the forms are:

case

2

1+1

3

4

m, n

f

m, n

f

m, n, f

m, n, f

nom.

dva

dvijë

oba

objë

tri

četiri

acc.

dat.

dvama

dvjëma

objëma

objëma

trima

(četirma)

gen.

dvaju

dvïju

obaju

obïju

triju

(četiriju)

Words for numbers 5-20 behave like adverbs. Counted nouns are after cardinal numbers must be in the right form:

1, 21, 31...

any case, agrees with jedän

imam jednu mačku

2-4, 1+1, 22-24, 32-24...

"dual", a special form for adjectives, similar to gen. sg. for nouns

imam dvijë mačke

5-19, 25-30...

adjectives and nouns must be in gen. pl.

imam pet mačäka

Ordinal numbers behave as adjectives, and change with nouns after them according to cases.

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